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Analysis

  • max time kernel
    47s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-07-2021 22:53

General

  • Target

    8 (21).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Nirsoft 1 IoCs
  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 17 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 55 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8 (21).exe
    "C:\Users\Admin\AppData\Local\Temp\8 (21).exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:664
      • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_1.exe
          4⤵
          • Loads dropped DLL
          PID:836
          • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_1.exe
            sonia_1.exe
            5⤵
            • Executes dropped EXE
            PID:868
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_2.exe
          4⤵
          • Loads dropped DLL
          PID:884
          • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_2.exe
            sonia_2.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            PID:912
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_3.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1508
          • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_3.exe
            sonia_3.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1708
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 1004
              6⤵
              • Program crash
              PID:2844
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_5.exe
          4⤵
          • Loads dropped DLL
          PID:1796
          • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_5.exe
            sonia_5.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:852
            • C:\Users\Admin\Documents\wlnwbi1PuIS9PuxjUyWKtvIl.exe
              "C:\Users\Admin\Documents\wlnwbi1PuIS9PuxjUyWKtvIl.exe"
              6⤵
              • Executes dropped EXE
              PID:2072
            • C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe
              "C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe"
              6⤵
              • Executes dropped EXE
              PID:2060
              • C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe
                C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe
                7⤵
                  PID:3024
                • C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe
                  C:\Users\Admin\Documents\LCHC8gX9DOHKlte9M5piemMe.exe
                  7⤵
                    PID:3056
                • C:\Users\Admin\Documents\bVH5GjC2dKcqgLssK7Ece8qo.exe
                  "C:\Users\Admin\Documents\bVH5GjC2dKcqgLssK7Ece8qo.exe"
                  6⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2084
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c cmd < Sorrisi.tmp
                    7⤵
                      PID:2720
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd
                        8⤵
                          PID:2004
                    • C:\Users\Admin\Documents\JTNZYEAya1gFSgJ5QNvG0Rii.exe
                      "C:\Users\Admin\Documents\JTNZYEAya1gFSgJ5QNvG0Rii.exe"
                      6⤵
                      • Executes dropped EXE
                      PID:2164
                    • C:\Users\Admin\Documents\ePJYMw5apTqFcgtwCHLAKgDx.exe
                      "C:\Users\Admin\Documents\ePJYMw5apTqFcgtwCHLAKgDx.exe"
                      6⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:2156
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd /c ""C:\Program Files (x86)\EverestSoftrade\TonerRecover\log.bat" "
                        7⤵
                          PID:2744
                          • C:\Windows\SysWOW64\explorer.exe
                            explorer https://iplogger.org/2LBCU6
                            8⤵
                              PID:3036
                          • C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe
                            "C:\Program Files (x86)\EverestSoftrade\TonerRecover\Updater.exe"
                            7⤵
                              PID:2860
                          • C:\Users\Admin\Documents\Ei8Fn_QbrNwWMIx_EY97BS6r.exe
                            "C:\Users\Admin\Documents\Ei8Fn_QbrNwWMIx_EY97BS6r.exe"
                            6⤵
                              PID:2136
                            • C:\Users\Admin\Documents\yZ0fBy25XxtCZOGN24PCyc5g.exe
                              "C:\Users\Admin\Documents\yZ0fBy25XxtCZOGN24PCyc5g.exe"
                              6⤵
                              • Executes dropped EXE
                              PID:2128
                            • C:\Users\Admin\Documents\LWWYqBLJ6e7H6vwy8q9ixtiW.exe
                              "C:\Users\Admin\Documents\LWWYqBLJ6e7H6vwy8q9ixtiW.exe"
                              6⤵
                                PID:2116
                              • C:\Users\Admin\Documents\0U65BaXArYHT0wzqNLPZLDsT.exe
                                "C:\Users\Admin\Documents\0U65BaXArYHT0wzqNLPZLDsT.exe"
                                6⤵
                                • Executes dropped EXE
                                PID:2108
                                • C:\Users\Admin\AppData\Local\Temp\11111.exe
                                  C:\Users\Admin\AppData\Local\Temp\11111.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                  7⤵
                                    PID:2876
                                • C:\Users\Admin\Documents\_rQjGkHHO7hB3Gpy1jdmXdUB.exe
                                  "C:\Users\Admin\Documents\_rQjGkHHO7hB3Gpy1jdmXdUB.exe"
                                  6⤵
                                    PID:2360
                                  • C:\Users\Admin\Documents\_VgAenQq8fR6Ty1Jo5df4x8O.exe
                                    "C:\Users\Admin\Documents\_VgAenQq8fR6Ty1Jo5df4x8O.exe"
                                    6⤵
                                      PID:2348
                                    • C:\Users\Admin\Documents\EK_htrmUTvIlqKvtoVEfsEV_.exe
                                      "C:\Users\Admin\Documents\EK_htrmUTvIlqKvtoVEfsEV_.exe"
                                      6⤵
                                        PID:2336
                                      • C:\Users\Admin\Documents\5jqHhv9auDZ0caYc4RZj1hNt.exe
                                        "C:\Users\Admin\Documents\5jqHhv9auDZ0caYc4RZj1hNt.exe"
                                        6⤵
                                          PID:2324
                                        • C:\Users\Admin\Documents\hIDpGXm0pphp65jthSplzw2p.exe
                                          "C:\Users\Admin\Documents\hIDpGXm0pphp65jthSplzw2p.exe"
                                          6⤵
                                            PID:2312
                                          • C:\Users\Admin\Documents\3Rl_cdhLQTDCkbiW3ZPZOAeh.exe
                                            "C:\Users\Admin\Documents\3Rl_cdhLQTDCkbiW3ZPZOAeh.exe"
                                            6⤵
                                              PID:2300
                                            • C:\Users\Admin\Documents\_NHdUEQUTTcWwtSfKdRJVvCK.exe
                                              "C:\Users\Admin\Documents\_NHdUEQUTTcWwtSfKdRJVvCK.exe"
                                              6⤵
                                                PID:2396
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c sonia_7.exe
                                            4⤵
                                              PID:1608
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c sonia_6.exe
                                              4⤵
                                              • Loads dropped DLL
                                              PID:1904
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c sonia_4.exe
                                              4⤵
                                              • Loads dropped DLL
                                              PID:1596
                                      • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_4.exe
                                        sonia_4.exe
                                        1⤵
                                        • Executes dropped EXE
                                        • Modifies system certificate store
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1280
                                        • C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe
                                          "C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe"
                                          2⤵
                                          • Executes dropped EXE
                                          • Loads dropped DLL
                                          PID:948
                                          • C:\Users\Admin\AppData\Local\Temp\jhuuee.exe
                                            "C:\Users\Admin\AppData\Local\Temp\jhuuee.exe"
                                            3⤵
                                              PID:2504
                                              • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                                C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                                4⤵
                                                  PID:2812
                                              • C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe
                                                "C:\Users\Admin\AppData\Local\Temp\OLKbrowser.exe"
                                                3⤵
                                                  PID:2652
                                                • C:\Users\Admin\AppData\Local\Temp\setup 326.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\setup 326.exe"
                                                  3⤵
                                                    PID:2728
                                              • C:\Users\Admin\AppData\Local\Temp\7zS8925FBC4\sonia_6.exe
                                                sonia_6.exe
                                                1⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                • Adds Run key to start application
                                                PID:1340
                                                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  PID:112

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/912-160-0x0000000000400000-0x0000000000896000-memory.dmp

                                                Filesize

                                                4.6MB

                                              • memory/912-159-0x0000000000240000-0x0000000000249000-memory.dmp

                                                Filesize

                                                36KB

                                              • memory/948-178-0x0000000001310000-0x0000000001311000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1200-171-0x0000000003BE0000-0x0000000003BF5000-memory.dmp

                                                Filesize

                                                84KB

                                              • memory/1280-157-0x000000001AFF0000-0x000000001AFF2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1280-143-0x0000000001070000-0x0000000001071000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1708-162-0x0000000000400000-0x00000000008F2000-memory.dmp

                                                Filesize

                                                4.9MB

                                              • memory/1708-161-0x0000000002220000-0x00000000022BD000-memory.dmp

                                                Filesize

                                                628KB

                                              • memory/1832-100-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1832-115-0x0000000000400000-0x000000000051D000-memory.dmp

                                                Filesize

                                                1.1MB

                                              • memory/1832-104-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1832-106-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                Filesize

                                                572KB

                                              • memory/1832-90-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1832-92-0x0000000000400000-0x000000000051D000-memory.dmp

                                                Filesize

                                                1.1MB

                                              • memory/1832-102-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1832-107-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1832-99-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1832-111-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                Filesize

                                                152KB

                                              • memory/1832-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                Filesize

                                                572KB

                                              • memory/1832-91-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                Filesize

                                                152KB

                                              • memory/1840-60-0x00000000757C1000-0x00000000757C3000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2060-211-0x0000000000250000-0x0000000000251000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2060-225-0x0000000002380000-0x0000000002381000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2108-219-0x00000000021C0000-0x000000000222F000-memory.dmp

                                                Filesize

                                                444KB

                                              • memory/2108-213-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2108-222-0x0000000002F60000-0x0000000003031000-memory.dmp

                                                Filesize

                                                836KB

                                              • memory/2128-209-0x00000000009F0000-0x00000000009F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2300-221-0x0000000000B60000-0x0000000000B61000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2324-205-0x0000000000910000-0x0000000000911000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2876-230-0x0000000000400000-0x0000000000455000-memory.dmp

                                                Filesize

                                                340KB